Chemistry, 12.12.2019 02:31 phancharamachasm
Calculate the molality of the salt solution. express your answer to four significant figures and include the appropriate units. view available hint(s) mnaclm n a c l = nothing nothing part b calculate the mole fraction of salt in this solution. express the mole fraction to four significant figures. view available hint(s) χnaclχ n a c l chi_nacl = nothing part c calculate the concentration of the salt solution in percent by mass. express your answer to four significant figures and include the appropriate units. view available hint(s) percent by mass nacln a c l = nothing nothing part d calculate the concentration of the salt solution in parts per million. express your answer as an integer to four significant figures and include the appropriate units. view available hint(s) parts per million nacln a c l = nothing nothing
Answers: 1
Chemistry, 21.06.2019 14:30
Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.
Answers: 1
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
Chemistry, 22.06.2019 12:00
Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt
Answers: 1
Calculate the molality of the salt solution. express your answer to four significant figures and inc...
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